我在 root 上运行带有 ZFS 的 Ubuntu，而且我的bpool似乎几乎已满。
输出zpool list bpool：
NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT
bpool 1.88G 1.69G 191M - - 60% 90% 1.00x ONLINE -
输出df -h /boot：
Filesystem Size Used Avail Use% Mounted on
bpool/BOOT/ubuntu_s2c09x 367M 303M 64M 83% /boot
这会导致完成内核更新安装时出现问题，例如运行sudo apt upgrade：
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to …